Performance of Magnetic Penetration Thermometers for X-ray Astronomy

被引：7

作者：

Nagler, P. C. ^{[1
,2
]}

Adams, J. S. ^{[1
,5
,6
]}

Balvin, M. A. ^{[1
]}

Bandler, S. R. ^{[1
,3
,4
]}

Denis, K. L. ^{[1
]}

Hsieh, W. -T. ^{[1
]}

Kelly, D. P. ^{[1
]}

Porst, J. -P. ^{[1
,2
]}

Sadleir, J. E. ^{[1
]}

Seidel, G. M. ^{[2
]}

Smith, S. J. ^{[1
,5
,6
]}

Stevenson, T. R. ^{[1
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[2] Brown Univ, Providence, RI 02912 USA

[3] CRESST, College Pk, MD USA

[4] Univ Maryland, College Pk, MD 20742 USA

[5] CRESST, Baltimore, MD USA

[6] Univ Maryland Baltimore Cty, Baltimore, MD 21228 USA

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2012年 / 167卷 / 3-4期

关键词：

Microcalorimeters; Cryogenic; Detectors; CALORIMETERS; ARRAYS;

D O I：

10.1007/s10909-012-0516-8

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The ideal X-ray camera for astrophysics would have more than a million pixels and provide an energy resolution of better than 1 eV FWHM for energies up to 10 keV. We have microfabricated and characterized thin-film magnetic penetration thermometers (MPTs) that show great promise towards meeting these capabilities. MPTs operate in similar fashion to metallic magnetic calorimeters (MMCs), except that a superconducting sensor takes the place of a paramagnetic sensor and it is the temperature dependence of the superconductor's diamagnetic response that provides the temperature sensitivity. We present a description of the design and performance of our prototype thin-film MPTs with MoAu bilayer sensors, which have demonstrated an energy resolution of similar to 2 eV FWHM at 1.5 keV and 4.3 eV FWHM at 5.9 keV.

引用

页码：455 / 460

页数：6

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